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Proceedings Paper

CW periodically poled LiNbO3 optical parametric oscillator model with strong idler absorption
Author(s): Dennis D. Lowenthal
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Paper Abstract

An analytical model is described for predicting the gain and performance of cw, singly resonant, optical parametric oscillators with strong idler absorption, strong pump depletion and thermally induced dephasing. Pump and signal beam focusing effects are included by using the Guha, Wu and Falk hsm parameters. It is shown that significant parametric gain can be generated with an idler absorption- length product exceeding 10, and in some cases idler absorption is seen to enhance the pump depletion by impeding back conversion. The model accurately predicts current experimental results with weak idler absorption, and greatly over predicts the performance with high idler absorption. This difference is believed to be due to thermally induced focus that strongly disturbs the resonant optical cavity for the signal. Shorter crystal lengths, with resonant pump enhancement, offers a possible solution.

Paper Details

Date Published: 4 May 1999
PDF: 11 pages
Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); doi: 10.1117/12.347674
Show Author Affiliations
Dennis D. Lowenthal, Aculight Corp. (United States)

Published in SPIE Proceedings Vol. 3613:
Solid State Lasers VIII
Richard Scheps, Editor(s)

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